| /** |
| * Copyright (C) 2009 Google Inc. |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package com.google.inject; |
| |
| import com.google.inject.internal.Errors; |
| import com.google.inject.internal.Lists; |
| import com.google.inject.spi.Element; |
| import com.google.inject.spi.MembersInjectorLookup; |
| import com.google.inject.spi.ProviderLookup; |
| import java.util.List; |
| |
| /** |
| * Returns providers and members injectors that haven't yet been initialized. As a part of injector |
| * creation it's necessary to {@link #initialize initialize} these lookups. |
| * |
| * @author jessewilson@google.com (Jesse Wilson) |
| */ |
| public class DeferredLookups implements Lookups { |
| private final InjectorImpl injector; |
| private final List<Element> lookups = Lists.newArrayList(); |
| |
| public DeferredLookups(InjectorImpl injector) { |
| this.injector = injector; |
| } |
| |
| /** |
| * Initialize the specified lookups, either immediately or when the injector is created. |
| */ |
| public void initialize(Errors errors) { |
| injector.lookups = injector; |
| new LookupProcessor(errors).process(injector, lookups); |
| } |
| |
| public <T> Provider<T> getProvider(Key<T> key) { |
| ProviderLookup<T> lookup = new ProviderLookup<T>(key, key); |
| lookups.add(lookup); |
| return lookup.getProvider(); |
| } |
| |
| public <T> MembersInjector<T> getMembersInjector(TypeLiteral<T> type) { |
| MembersInjectorLookup<T> lookup = new MembersInjectorLookup<T>(type, type); |
| lookups.add(lookup); |
| return lookup.getMembersInjector(); |
| } |
| } |